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PKN received 3 Kudos for post If 12a + 3b = 1 and 7b – 2a = 9, what is the average (arithmetic mean).

GiverPostDate
vivapopoIf 12a + 3b = 1 and 7b – 2a = 9, what is the average (arithmetic mean)18-Feb-2019
rnnIf 12a + 3b = 1 and 7b – 2a = 9, what is the average (arithmetic mean)25-Dec-2018
SritejaErraIf 12a + 3b = 1 and 7b – 2a = 9, what is the average (arithmetic mean)16-Oct-2018

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